Answer Saj, To remove the control board, disconnect power supply, once power supply is disconnected remove the air grill at the top of the unit by taking out 3 screws located on the top of the unit. Once removed you will then see a screw that holds the control panel in place. Remove the screw and lift the control panel off. This gives access to the control board to replace it. Read More... Answered by AppliancePartsPros.com | Friday, December 26, 2014